Clannish Clan"nish, a.
Of or pertaining to a clan; closely united, like a clan;
disposed to associate only with one's clan or clique;
actuated by the traditions, prejudices, habits, etc., of a
clan. -- {Clan"nish*ly}, adv. -- {clan"nish*ness}, n.
[1913 Webster]

clannishly — adv. in a clannish manner (pertaining to a group related by common interests or characteristics); cliquishly, exclusively … English contemporary dictionary

clannish — clannishly, adv. clannishness, n. /klan ish/, adj. 1. of, pertaining to, or characteristic of a clan. 2. inclined to associate exclusively with the members of one s own group; cliquish: the clannish behavior of the original members of the country … Universalium

clannish — adjective Date: 1776 1. of or relating to a clan < clannish traditions > 2. tending to associate only with a select group of similar background or status < a clannish community > • clannishly adverb • clannishness … New Collegiate Dictionary